Add for both x86_64 compilation flags for clang, to get it compile with newer arch x86_64-v3 for x86 and ARM 8.2 level for aarch64.
Tested to compile fine with both clang 18.1.6 and 18.1.8.
Signed-off-by: Yaniv Kaul <yaniv.kaul@scylladb.com>
Closesscylladb/scylladb#20682